Volcanoes and Plate Tectonics

1.

Multiple Choice

30 sec

1 pt

Volcanoes are usually found

in the middle of the ocean

along plate boundaries

at the edge of continents

in the southern hemisphere

2.

Multiple Choice

30 sec

1 pt

Before lava reaches the surface, the molten material is called ____.

rock

magma

volcanic ash

liquid fire

3.

Multiple Choice

30 sec

1 pt

Molten material that leaves a volcano's vent is called ___________.

gas

magma

lava

liquid fire

4.

Multiple Choice

30 sec

1 pt

A feature that forms in Earth´s crust when molten material reaches the surface is called a ____________________.

Mountain

Volcano

Rift Valley

Deep Ocean Trench

5.

Multiple Choice

30 sec

1 pt

This plate is involved in all of the Ring of Fire Volcanoes.

The Nazca Plate

The North American Plate

The Pacific Plate

The Indian Plate

6.

Multiple Choice

1 min

1 pt

The difference between magma and lava is _____

where it is found (above or below the surface)

how hot the molten rock is (lava is hotter than magma)

the type of boundary where it forms

the viscosity of the molten rock (lava has a lower viscosity)

7.

Multiple Choice

30 sec

1 pt

This is the name for the chain of volcanos around the edge of the Pacific Plate.

Circle of Fire

Ring of Lava

Ring of Fire

Circle of Magma

8.

Multiple Choice

30 sec

1 pt

Ocean-Ocean Convergent boundaries form these.

Hot Spots

Continental Arcs

Island Arcs

Calderas

9.

Multiple Choice

30 sec

1 pt

An area where material from deep within Earth´s mantle rises to the crust and melts to form magma is called

a hot spot.

a divergent boundary.

a rift valley.

a deep ocean trench.

10.

Multiple Choice

30 sec

1 pt

TRUE or FALSE: Volcanoes form along the mid-ocean ridges, where two plates move together.

If false change the underlined word to make it true.

TRUE

FALSE: apart

FASLE: past each other

11.

Multiple Choice

30 sec

1 pt

Not all volcanoes form along plate boundaries.

If false change the underlined word to make it true.

TRUE

FALSE: all

12.

Multiple Choice

30 sec

1 pt

Magma is molten material from the mantle that has reached Earth’s surface.

TRUE

FALSE: lava

FALSE: a hot spot

FALSE a volcano

13.

Multiple Choice

30 sec

1 pt

Where does magma form?

Crust

Upper mantle

Upper mantle and crust

Asthenosphere

14.

Multiple Choice

30 sec

1 pt

The image shows the Mid Atlantic Ridge. Which type of boundary occurs at this ridge where the ocean floor is spreading apart?

convergent

divergent

transform fault

15.

Multiple Choice

30 sec

1 pt

Hotspots are found ___.

at divergent boundaries

at convergent boundaries

at transform boundaries

within a plate (intraplate)

Explore this activity with a free account